For your low-drain products, choose LongLife batteries. Zinc-Chloride technology is perfect for your clocks, radios, calculators and remote controls.Top PerformanceHigh-quality Zinc-Chloride technology ensures long lifeThe high-quality Zinc-Chloride technology ensures long battery life when used in low energy consuming devices.The battery remains fresh for use for up to 3 yearsEvery battery suffers from energy loss when not in use. We guarantee that the battery contains at least 80% of its initial energy within the best before date.Environmentally ResponsiblePhilips ZnC batteries contain 0% harmful heavy metalsThese Philips batteries are guaranteed free from harmful heavy metals such as Cadmium and Mercury.